Battery replacement management system and method

Abstract

The invention relates to the technical field of battery replacement of two-wheeled electric vehicles, and discloses a battery replacement management system and method.The management system is composed of a user request receiving module, a battery replacement cabinet control module, an electric quantity verification and cost calculation module, a user cost information output module, a sensor monitoring and fault detection module and a data storage and analysis module. By comparing the real-time electric quantity with the historical record, the system corrects or recognizes sensor errors, errors caused by sensor faults or data inconsistency are reduced, and if the real-time electric quantity data and the historical record differ too much, the system detects possible abnormal conditions such as sensor faults or data transmission errors, and the system can be used for detecting the abnormal conditions. Therefore, charging based on error data is avoided, and the beneficial effects that a dual verification mechanism is achieved, and the electric quantity information of the battery is compared with the actual battery use history, so that the electric quantity information is more accurate are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of battery replacement for two-wheeled electric vehicles, and specifically to a battery replacement management system and method. Background Art

[0002] At present, with the development of sharing technology, battery swap cabinets are widely used. Battery swap cabinets are also called shared battery swap cabinets, shared battery cabinets, battery swap stations, and battery exchange stations, which are used to facilitate users to replace batteries in electric vehicles in a timely manner.

[0003] For example, a battery swap management method and system with publication number: CN 114971382A, receives the first battery swap cabinet identification information and the low power information of the battery bound to the current user sent by the user terminal; outputs the door opening command to the first battery compartment without battery in the battery swap cabinet corresponding to the first battery swap cabinet identification information, so as to drive the first battery compartment to open the compartment door; determines whether the door closing information and the correct placement of the battery sent by the first battery compartment are received, and if so, outputs the electricity cost information to the user terminal according to the low power information of the battery bound to the current user and the pre-stored high power information of the battery bound to the current user. The charging method of the present invention is more fair and reasonable, and is conducive to improving user experience.

[0004] The basic process of this battery replacement management method and system includes receiving user requests, opening the door, discharging the battery, closing the door, and outputting electricity cost information. It is suitable for mainstream two-wheeled electric vehicle battery replacement, but the system relies on the battery's low-power information and high-power information to calculate the cost. If the battery status information is inaccurate or the sensor fails, the cost calculation will be inaccurate, thereby affecting user fairness. Summary of the invention

[0005] Technical issues solved:

[0006] In view of the deficiencies in the prior art, the present invention provides a battery replacement management system and method, which has a double verification mechanism. The battery power information is compared with the actual battery usage history to make the power information more accurate and the cost calculation precise without false alarms, thereby solving the problems of the above-mentioned technologies.

[0007] Technical solution:

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a battery swap management system, the management system comprising: a user request receiving module, a battery swap cabinet control module, a power verification and cost calculation module, a user cost information output module, a sensor monitoring and fault detection module and a data storage and analysis module;

[0009] The user request receiving module is used to receive in real time a request sent by a user terminal, including a power return request or a power exchange request, and parse the first power exchange cabinet identification information in the request and the low power information of the battery bound to the current user;

[0010] The battery swap cabinet control module is used to receive information provided by the module according to the user's request, output a door opening command to the battery compartment without a battery in the corresponding battery swap cabinet, monitor the door opening and closing status of the battery compartment, and receive door closing information and battery correct insertion information;

[0011] The power verification and fee calculation module is used to introduce a double verification mechanism, combining the real-time power information of the battery and the battery usage history record for comparison to ensure the accuracy of the power information, and calculate the electricity fee based on the comparison result and the pre-stored high power information;

[0012] The user fee information output module is used to output the fee information obtained by the power verification and fee calculation module to the user terminal;

[0013] The sensor monitoring and fault detection module is used to monitor the working status of the battery status sensor in real time. Once a sensor failure or data abnormality is detected, an alarm is immediately triggered and the maintenance personnel are notified;

[0014] The data storage and analysis module is used to store all battery replacement records, power information, cost calculation and other data, analyze historical data, optimize cost calculation algorithms and provide operation reports;

[0015] The expression for verifying the power information in the power verification and cost calculation module is:

[0016]

[0017] Where: E validated Verified power information, ensuring accuracy by combining real-time power and historical records; current Real-time power information, the current battery power provided by the sensor; E history The power information calculated from the battery usage history is used to compare and verify the real-time power;

[0018] The expression for calculating the power difference is:

[0019] ΔE=E high -E validated

[0020] Where: ΔE is the power difference, which indicates the difference between the pre-stored high power information and the verified power information; E high It is the pre-stored high power information, which records the maximum power or full power status of the battery; E validated The power information is verified.

[0021] Preferably, the power verification and cost calculation module further includes calculating the actual power usage expression:

[0022] E used =max(0,ΔE)

[0023] Where: E used is the actual amount of power used, ensuring that there will be no negative values, that is, the actual amount of power consumed by the battery. ΔE is the power difference, which is used to determine the actual power usage. max(0,ΔE) ensures that the actual amount of power used is not negative. If the power difference is negative, use 0.

[0024] The final cost calculation expression is:

[0025] C total =E used ×C rate

[0026] Where: C total The final electricity cost is calculated based on the actual electricity used and the cost rate; E used is the actual amount of electricity used, calculated from the previous formula; C rate It is the cost rate per unit of electricity, that is, the cost per kilowatt-hour of electricity.

[0027] Preferably, the user request receiving module expression is: assuming that the user request includes the identification information of the battery swap cabinet, the identification information of the battery bound to the user and the request type, the actual receiving and parsing formula is:

[0028] R=(R id ,Cabine id ,Battery id ,Request type )

[0029] Where: R id A unique identifier for the user's request; Cabinet id Battery swap cabinet identification information; Battery id Request for battery identification information; type Request type: return or replace battery;

[0030] The battery swap cabinet identification information and battery identification information extracted from the request are:

[0031] Cobinet id =R.Cabinet id ;

[0032] Battery id =R.Batteryid .

[0033] Preferably, the user request receiving module further includes a battery power check, expressed as:

[0034] E current <E threshold

[0035] Where: E current is the current charge of the battery; E threshold The low battery threshold of the battery. If the condition is met, it means that the battery power is lower than the threshold and the relevant request needs to be processed.

[0036] Preferably, the door opening expression output in the power exchange cabinet control module is:

[0037] OpenDoor=(C id ,S id )

[0038] Where: C id , is the identification of the battery exchange cabinet; S id It is the empty battery compartment mark; OpenDoor is the door opening command sent to the battery swap cabinet;

[0039] The expression for monitoring the open and close door status of the battery compartment is:

[0040] D status =MonitorDoor(C id ,S id )

[0041] D status The door status of the battery compartment: open or closed; MonitorDoor (C id ,S id ) is a function or operation used to monitor the door status of the specified battery compartment.

[0042] Preferably, the expression for receiving the correct battery placement information in the battery exchange cabinet control module is:

[0043] PlaceStatus=ReceivePlaceStatus(S id )

[0044] Among them: PlaceStatus is the battery placement status: correct or wrong; ReceivePlaceStatus (S id ) is a function or operation used to receive the battery placement status information of the specified battery compartment.

[0045] Preferably, the electricity fee verification and fee calculation expressions in the user fee information output module are:

[0046] TotalCost=E*C*(1-D)

[0047] Where: E is the actual electricity consumption: kWh; C is the unit electricity cost: yuan / kWh; D is the discount rate: 0≤D≤1; TotalCost is the total cost: yuan.

[0048] Preferably, the sensor status monitoring expression in the sensor monitoring and fault detection module is:

[0049] S i =MonitorSensor(i)

[0050] Where: S i is the actual reading of sensor i; MonitorSensor(i) represents the function of monitoring the status of sensor i;

[0051] The fault detection expression is:

[0052] Delta i =|S i -S i,expected |

[0053] Error i =1,ifDelta i >ErrorThreshold

[0054] Error i =0, otherwise

[0055] Where: S i,expected is the expected reading of sensor i; Threshold is the maximum allowed deviation Delta i is the reading deviation of sensor i; Error i is the fault status of sensor i: 0 indicates normal, 1 indicates fault; ErrorThreshold is the maximum allowable deviation.

[0056] Preferably, the data storage expression in the data storage and analysis module is:

[0057] DataStorage(R i ,E i ,C i )=StoreData(R i ,E i ,C i )

[0058] Where: R i is the record of battery replacement for the ith time; E i is the power information of the ith battery replacement; C iCalculates the cost of the i-th battery replacement; DataStorage is a function that stores all data;

[0059] The data analysis expression is:

[0060]

[0061] Where: N is the total number of data records; E avg is the average power; C avg is the average cost; S i is the amount of electricity recorded for the ith time; F i is the cost recorded for the ith time.

[0062] A battery replacement management system and method, the management method steps are:

[0063] Step 1: Receiving user request: The system receives the request sent by the user terminal in real time, identifies the request type: battery replacement or battery return, and parses the battery swap cabinet identification information in the request and the low battery information of the battery bound to the current user;

[0064] Step 2: Battery swap cabinet control: according to the information requested by the user, send a door opening command to the corresponding battery swap cabinet, open the empty battery compartment, monitor the door opening and closing status of the battery compartment, and receive door closing information and battery placement correctness information;

[0065] Step 3: Power verification and cost calculation: Introduce a double verification mechanism to compare the real-time power information with the battery usage history to ensure the accuracy of the power information. Based on the comparison results and the pre-stored high power information, calculate the actual power usage and power costs;

[0066] Step 4: User fee information output: Output the calculated fee information to the user terminal to ensure that the user obtains the fee information in real time;

[0067] Step 5: Sensor monitoring and fault detection: Real-time monitoring of the working status of the battery status sensor, detection of normal operation of the sensor, and immediately triggering an alarm and notifying maintenance personnel once a sensor failure or data abnormality is detected;

[0068] Step 6. Data storage and analysis: Store all battery replacement records, power information and cost calculation data for subsequent analysis, analyze historical data, calculate average power and average cost, and optimize the cost calculation algorithm to provide a basis for operation reports.

[0069] Compared with the prior art, the present invention provides a battery replacement management system and method, which has the following beneficial effects:

[0070] 1. The present invention obtains the current battery power information E in real time through the sensor current, data directly obtained from the battery sensor reflects the current state of the battery, and the system maintains the battery usage history E history , including battery charge and discharge history, historical usage, etc., to understand battery usage patterns and long-term performance, real-time power information current With history E history Compare to confirm the accuracy of real-time data, combine real-time power and historical records, and calculate verified power information E validated By comparing the real-time power level with historical records, the system corrects or identifies sensor errors and reduces errors caused by sensor failure or data inconsistency. If the real-time power level data differs too much from the historical records, the system detects possible abnormalities, such as sensor failure or data transmission errors, thereby avoiding charging based on erroneous data, achieving a double verification mechanism, using the battery power information to compare with the actual battery usage history to achieve a more accurate power information.

[0071] 2. The present invention uses double verification and accurate power calculation to effectively avoid charging errors caused by data errors or sensor failures. Only verified power information is used for fee calculation, reducing the cost deviation caused by errors. By calculating the power difference ΔE, the system confirms the actual battery usage E used If the power difference is negative, the system will adjust it to zero to ensure that the actual power usage will not be negative, thus avoiding errors in calculation. The system calculates the actual power usage F used and unit electricity cost rate C rate Calculate the final electricity cost C total , through clear formulas and steps, the accuracy of cost calculation is ensured, achieving the beneficial effect of accurate cost calculation without misreporting. BRIEF DESCRIPTION OF THE DRAWINGS

[0072] Figure 1 Schematic diagram of the system of the present invention. DETAILED DESCRIPTION

[0073] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0074] See also Figure 1, a battery swap management system, the management system consists of: a user request receiving module, a battery swap cabinet control module, a power verification and cost calculation module, a user cost information output module, a sensor monitoring and fault detection module and a data storage and analysis module;

[0075] The user request receiving module is used to receive in real time the request sent by the user terminal, including the request for returning power or request for replacing power, and parse the identification information of the first power replacement cabinet in the request and the low power information of the battery bound to the current user;

[0076] The battery swap cabinet control module is used to receive information provided by the module according to user request, output the door opening command to the battery compartment without battery in the corresponding battery swap cabinet, monitor the door opening and closing status of the battery compartment, and receive the door closing information and the correct placement of the battery;

[0077] The power verification and cost calculation module is used to introduce a double verification mechanism, combining the real-time power information of the battery and the battery usage history record for comparison to ensure the accuracy of the power information, and calculate the electricity cost based on the comparison results and the pre-stored high power information;

[0078] The user fee information output module is used to output the fee information obtained by the power verification and fee calculation module to the user terminal;

[0079] The sensor monitoring and fault detection module is used to monitor the working status of the battery status sensor in real time. Once a sensor failure or data abnormality is detected, an alarm is immediately triggered and maintenance personnel are notified;

[0080] The data storage and analysis module is used to store all battery replacement records, power information, cost calculation and other data, analyze historical data, optimize cost calculation algorithms and provide operation reports;

[0081] The expression for verifying the power information in the power verification and cost calculation module is:

[0082]

[0083] Where: E validated Verified power information, ensuring accuracy by combining real-time power and historical records; current Real-time power information, the current battery power provided by the sensor; E history The power information calculated from the battery usage history is used to compare and verify the real-time power;

[0084] The expression for calculating the power difference is:

[0085] ΔE=E high -E validated

[0086] Where: ΔE is the power difference, which indicates the difference between the pre-stored high power information and the verified power information; E high It is the pre-stored high power information, which records the maximum power or full power status of the battery; E validated The power information is verified.

[0087] Through double verification and accurate power calculation, the system effectively avoids charging errors caused by data errors or sensor failures. Only verified power information is used for fee calculation, reducing fee deviations caused by errors.

[0088] Accurate fee calculation avoids false alarms, ensures that users pay for the actual amount of electricity consumed, and enhances user trust and satisfaction with the system. Accurate fee information reduces disputes and conflicts, and improves user experience.

[0089] Accurate expense calculation helps companies accurately calculate revenue and expenditure, optimize financial management and operational decisions, and avoid financial losses caused by incorrect expense calculations.

[0090] By accurately calculating fees and avoiding false alarms, the overall reliability of the system is improved. The trust of users and operators in the system is enhanced, which helps the long-term stable operation of the system.

[0091] Reliable cost data provides an accurate basis for business analysis and decision-making. By analyzing the data, operators can optimize battery management strategies and improve the efficiency of battery swap services.

[0092] Specifically, the power verification and cost calculation module also includes the expression for calculating the actual power usage:

[0093] E used =max(0,ΔE)

[0094] Where: E used is the actual amount of power used, ensuring that there will be no negative values, that is, the actual amount of power consumed by the battery. ΔE is the power difference, which is used to determine the actual power usage. max(0,ΔE) ensures that the actual amount of power used is not negative. If the power difference is negative, use 0.

[0095] The final cost calculation expression is:

[0096] C total =E used ×C rate

[0097] Where: C total The final electricity cost is calculated based on the actual electricity used and the cost rate; E used is the actual amount of electricity used, calculated from the previous formula; C rateIt is the cost rate per unit of electricity, that is, the cost per kilowatt-hour of electricity.

[0098] Specifically, the expression of the user request receiving module is: Assuming that the user request includes the identification information of the battery swap cabinet, the identification information of the battery bound to the user, and the request type, the actual receiving and parsing formula is:

[0099] R=(R id ,Cabinet id ,Battery id ,Request type )

[0100] Where: R id A unique identifier for the user's request; Cabinet id Battery swap cabinet identification information; Battery id Request for battery identification information; type Request type: return or replace battery;

[0101] The battery swap cabinet identification information and battery identification information extracted from the request are:

[0102] Cabinet id =R.Cabinet id ;

[0103] Battery id =R.Battery id .

[0104] Specifically, the user request receiving module also includes a battery power check, the expression is:

[0105] E current <E threshold

[0106] Where: E current is the current battery charge; E threshold The low battery threshold of the battery. If the condition is met, it means that the battery power is lower than the threshold and the relevant request needs to be processed.

[0107] Specifically, the output door opening expression in the power exchange cabinet control module is:

[0108] OpenDoor=(C id ,S id )

[0109] Where: C id , is the identification of the battery exchange cabinet; S id It is the empty battery compartment mark; OpenDoor is the door opening command sent to the battery swap cabinet;

[0110] The expression for monitoring the open and close door status of the battery compartment is:

[0111] D status =MonitorDoor(C id ,S id )

[0112] D status The door status of the battery compartment: open or closed; MonitorDoor (C id ,S id ) is a function or operation used to monitor the door status of the specified battery compartment.

[0113] Specifically, the expression for receiving the correct battery placement information in the battery swap cabinet control module is:

[0114] PlaceStatus=ReceivePlaceStatus(S id )

[0115] Among them: PlaceStatus is the battery placement status: correct or wrong; ReceivePlaceStatus (S id ) is a function or operation used to receive the battery placement status information of the specified battery compartment.

[0116] Specifically, the electricity fee verification and fee calculation expressions in the user fee information output module are:

[0117] TotalCost=E*C*(1-D)

[0118] Where: E is the actual electricity consumption: kWh; C is the unit electricity cost: yuan / kWh; D is the discount rate: 0≤D≤1; TotalCost is the total cost: yuan.

[0119] Specifically, the sensor status monitoring expression in the sensor monitoring and fault detection module is:

[0120] S i =MonitorSensor(i)

[0121] Where: S i is the actual reading of sensor i; MonitorSensor(i) represents the function of monitoring the status of sensor i;

[0122] The fault detection expression is:

[0123] Delta i =|S i -S i,expected |

[0124] Error i =1,ifDeltai >ErrorThreshold

[0125] Error i =0, otherwise

[0126] Where: S i,expected is the expected reading of sensor i; Threshold is the maximum allowed deviation Delta i is the reading deviation of sensor i; Error i is the fault status of sensor i: 0 indicates normal, 1 indicates fault; ErrorThreshold is the maximum allowable deviation.

[0127] Specifically, the data storage expression in the data storage and analysis module is:

[0128] DataStorage(R i , E i , C i )=StoreData(R i , E i , C i )

[0129] Where: R i is the record of battery replacement for the ith time; E i is the power information of the ith battery replacement; C i Calculates the cost of the i-th battery replacement; DataStorage is a function that stores all data;

[0130] The data analysis expression is:

[0131]

[0132] Where: N is the total number of data records; E avg is the average power; C avg is the average cost; S i is the amount of electricity recorded for the ith time; F i is the cost recorded for the ith time.

[0133] A battery replacement management system and method, the management method steps are:

[0134] Step 1: Receiving user request: The system receives the request sent by the user terminal in real time, identifies the request type: battery replacement or battery return, and parses the battery swap cabinet identification information in the request and the low battery information of the battery bound to the current user;

[0135] Step 2: Battery swap cabinet control: according to the information requested by the user, send a door opening command to the corresponding battery swap cabinet, open the empty battery compartment, monitor the door opening and closing status of the battery compartment, and receive door closing information and battery placement correctness information;

[0136] Step 3: Power verification and cost calculation: Introduce a double verification mechanism to compare the real-time power information with the battery usage history to ensure the accuracy of the power information. Based on the comparison results and the pre-stored high power information, calculate the actual power usage and power costs;

[0137] Step 4: User fee information output: Output the calculated fee information to the user terminal to ensure that the user obtains the fee information in real time;

[0138] Step 5: Sensor monitoring and fault detection: Real-time monitoring of the working status of the battery status sensor, detection of normal operation of the sensor, and immediately triggering an alarm and notifying maintenance personnel once a sensor failure or data abnormality is detected;

[0139] Step 6. Data storage and analysis: Store all battery replacement records, power information and cost calculation data for subsequent analysis, analyze historical data, calculate average power and average cost, and optimize the cost calculation algorithm to provide a basis for operation reports.

[0140] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A battery replacement management system, characterized in that: The management system is composed of: a user request receiving module, a battery swap cabinet control module, a power verification and cost calculation module, a user cost information output module, a sensor monitoring and fault detection module, and a data storage and analysis module; The user request receiving module is used to receive in real time a request sent by a user terminal, including a power return request or a power exchange request, and parse the first power exchange cabinet identification information in the request and the low power information of the battery bound to the current user; The battery swap cabinet control module is used to receive information provided by the module according to the user's request, output a door opening command to the battery compartment without a battery in the corresponding battery swap cabinet, monitor the door opening and closing status of the battery compartment, and receive door closing information and battery correct insertion information; The power verification and fee calculation module is used to introduce a double verification mechanism, combining the real-time power information of the battery and the battery usage history record for comparison to ensure the accuracy of the power information, and calculate the electricity fee based on the comparison result and the pre-stored high power information; The user fee information output module is used to output the fee information obtained by the power verification and fee calculation module to the user terminal; The sensor monitoring and fault detection module is used to monitor the working status of the battery status sensor in real time. Once a sensor failure or data abnormality is detected, an alarm is immediately triggered and the maintenance personnel are notified; The data storage and analysis module is used to store all battery replacement records, power information, cost calculation and other data, analyze historical data, optimize cost calculation algorithms and provide operation reports; The expression for verifying the power information in the power verification and cost calculation module is: Where: E validated Verified power information, ensuring accuracy by combining real-time power and historical records; current Real-time power information, the current battery power provided by the sensor; E history The power information calculated from the battery usage history is used to compare and verify the real-time power; The expression for calculating the power difference is: ΔE=E high -E validated Where: ΔE is the power difference, which indicates the difference between the pre-stored high power information and the verified power information; E high It is the pre-stored high power information, which records the maximum power or full power status of the battery; E validated The power information is verified.

2. A battery replacement management system according to claim 1, characterized in that: The power verification and cost calculation module also includes an expression for calculating the actual power usage: E used =max(0,ΔE) Where: E used is the actual amount of power used, ensuring that there will be no negative values, that is, the actual amount of power consumed by the battery. ΔE is the power difference, which is used to determine the actual power usage. max(0,ΔE) ensures that the actual amount of power used is not negative. If the power difference is negative, use 0. The final cost calculation expression is: C total =And used ×C rate Where: C total The final electricity cost is calculated based on the actual electricity used and the cost rate; E used is the actual amount of electricity used, calculated from the previous formula; C rate It is the cost rate per unit of electricity, that is, the cost per kilowatt-hour of electricity.

3. A battery replacement management system according to claim 2, characterized in that: The user request receiving module expression is: Assuming that the user request includes the identification information of the battery swap cabinet, the identification information of the battery bound to the user and the request type, the actual receiving and parsing formula is: R=(R id ,Cabinet id ,Battery id ,Request type ) Where: R id A unique identifier for the user's request; Cabinet id Battery swap cabinet identification information; Battery id Request for battery identification information; type Request type: return or replace battery; The battery swap cabinet identification information and battery identification information extracted from the request are: Cabinet id =R.Cabinet id ; Battery id =R.Battery id 。 4. A battery replacement management system according to claim 1, characterized in that: The user request receiving module also includes a battery power check, the expression is: AND current <E threshold Where: E current is the current battery charge; E threshold The low battery threshold of the battery. If the condition is met, it means that the battery power is lower than the threshold and the relevant request needs to be processed.

5. The battery replacement management system according to claim 1, characterized in that: The output door opening expression in the power exchange cabinet control module is: OpenDoor=(C id ,S id ) Where: C id , is the identification of the battery exchange cabinet; S id It is the empty battery compartment mark; OpenDoor is the door opening command sent to the battery swap cabinet; The expression for monitoring the open and close door status of the battery compartment is: D status =MonitorDoor(C id ,S id ) D status The door status of the battery compartment: open or closed; MonitorDoor (C id ,S id ) is a function or operation used to monitor the door status of the specified battery compartment.

6. A battery replacement management system according to claim 1, characterized in that: The expression for receiving the correct battery placement information in the battery exchange cabinet control module is: PlaceStatus=ReceivePlaceStatus(S id ) Among them: PlaceStatus is the battery placement status: correct or wrong; ReceivePlaceStatus (S id ) is a function or operation used to receive the battery placement status information of the specified battery compartment.

7. A battery replacement management system according to claim 1, characterized in that: The electricity fee verification and fee calculation expressions in the user fee information output module are: TotalCost=E*C*(1-D) Where: E is the actual electricity consumption: kWh; C is the unit electricity cost: yuan / kWh; D is the discount rate: 0≤D≤1; TotalCost is the total cost: yuan.

8. The battery replacement management system according to claim 1, characterized in that: The sensor status monitoring expression in the sensor monitoring and fault detection module is: S i =MonitorSensor(i) Where: S i is the actual reading of sensor i; MonitorSensor(i) represents the function of monitoring the status of sensor i; The fault detection expression is: Delta i =|S i -S i,expected | Error i =1,if Delta i >ErrorThreshold Error i =0,otherwise Where: S i,expected is the expected reading of sensor i; Threshold is the maximum allowed deviation Delta i is the reading deviation of sensor i; Error i is the fault status of sensor i: 0 indicates normal, 1 indicates fault; ErrorThreshold is the maximum allowable deviation.

9. A battery replacement management system according to claim 1, characterized in that: The data storage expression in the data storage and analysis module is: DataStorage(R i ,E i ,C i )=StoreData(R i ,E i ,C i ) Where: R i is the record of battery replacement for the ith time; E i is the power information of the ith battery replacement; C i The cost calculation for the i-th battery replacement; DataStorage is a function for storing all data; The data analysis expression is: Where: N is the total number of data records; E avg is the average power; C avg is the average cost; S i is the amount of electricity recorded for the ith time; F i is the cost recorded for the ith time.

10. A battery replacement management method, characterized in that: The management method is used for the management system described in claim 1, and the steps of the management method are: Step 1: Receiving user request: The system receives the request sent by the user terminal in real time, identifies the request type: battery replacement or battery return, and parses the battery swap cabinet identification information in the request and the low battery information of the battery bound to the current user; Step 2: Battery swap cabinet control: according to the information requested by the user, send a door opening command to the corresponding battery swap cabinet, open the empty battery compartment, monitor the door opening and closing status of the battery compartment, and receive door closing information and battery placement correctness information; Step 3: Power verification and cost calculation: Introduce a double verification mechanism to compare the real-time power information with the battery usage history to ensure the accuracy of the power information. Based on the comparison results and the pre-stored high power information, calculate the actual power usage and power costs; Step 4: User fee information output: Output the calculated fee information to the user terminal to ensure that the user obtains the fee information in real time; Step 5: Sensor monitoring and fault detection: Real-time monitoring of the working status of the battery status sensor, detection of normal operation of the sensor, and immediately triggering an alarm and notifying maintenance personnel once a sensor failure or data abnormality is detected; Step 6. Data storage and analysis: Store all battery replacement records, power information and cost calculation data for subsequent analysis, analyze historical data, calculate average power and average cost, and optimize the cost calculation algorithm to provide a basis for operation reports.

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